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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 8 — Apr. 15, 2013
  • pp: 1235–1237

Multichannel bandpass filters utilizing multilayer photonic crystal

Yasuo Ohtera and Hirohito Yamada  »View Author Affiliations

Optics Letters, Vol. 38, Issue 8, pp. 1235-1237 (2013)

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We demonstrate multichannel optical bandpass filters utilizing alternating dielectric multilayers stacked on a patterned substrate. A microstructured Si/SiO2 multilayer was formed by rf biased magnetron sputtering process on a fused silica substrate with surface gratings. The bandwidths of each filter channel were measured to be 50175nm in the near infrared region. Control of center wavelength and bandwidth by the grating pitch was verified.

© 2013 Optical Society of America

OCIS Codes
(230.4170) Optical devices : Multilayers
(050.6624) Diffraction and gratings : Subwavelength structures
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Diffraction and Gratings

Original Manuscript: February 20, 2013
Revised Manuscript: March 6, 2013
Manuscript Accepted: March 6, 2013
Published: April 2, 2013

Yasuo Ohtera and Hirohito Yamada, "Multichannel bandpass filters utilizing multilayer photonic crystal," Opt. Lett. 38, 1235-1237 (2013)

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